William Beaudine
Director
Oliver Drake
Screenplay
Earl Derr Biggers
Characters
Oliver Drake
Adaptation
Oliver Drake
Story
Dave Milton
Art Direction
Otho Lovering
Supervising Editor
Ace Herman
Editor
Allen K. Wood
Production Manager
Tom Lambert
Sound
James S. Burkett
Producer
Raymond Boltz Jr.
Set Decoration
William A. Sickner
Director of Photography
William A. Calihan Jr.
Assistant Director
Web Overlander
Makeup Artist
Ilona Vas
Script Supervisor
John J. Martin
Camera Operator
Harry Lewis
Grip
Lloyd Garnell
Gaffer
Roland Winters
Charlie Chan
Keye Luke
Lee Chan
Mantan Moreland
Birmingham Brown
Victor Sen Yung
Tommy Chan
Carol Forman
Sonia Cabot
Robert Livingston
John Stanley
Nils Asther
Paul Evans
Beverly Jons
Joan Farnsworth
Martín Garralaga
Pedro Francisco Lopez
George J. Lewis
Juan Gonzalez
Leslie Denison
Henry Farnsworth
Erville Alderson
Prof. Scott (uncredited)
Jay Silverheels
Diego (uncredited)
Charles Stevens
Manuel (uncredited)
Fred Cordova
Filippe (uncredited)
Juan Duval
Dr. Castalara (uncredited)
Frank Leyva
José (uncredited)
